Fold up speed door for big accesses faced outwardly and inwardly where there are major wind loads.
Rolling and speed opening door perfect to divide different indoor ambiences where the air current is low and the passage lights reduced.
Fold up speed door for interior accesses to cold stores with negative temperature.
Speed rolling door for interior accesses in clean rooms having positive or negative pressure.
Speed opening and rolling door for indoor areas where the air pressures are moderate or low.